Piano keyboard level adjusting bar



FIG. 1 is a side elevational view of a piano keyboard level adjustingbar showing my new design, the other side being substantially identical;

FIG. 2 is a top plan view thereof and,

FIG. 3 is a front elevational view thereof, the rear being substantiallyidentical.

The ornamental design for a piano keyboard level adjusting bar, substantially as shown and described. 